Home / 86,460.24-129,748.68-33,863.16

Finding the Fourth Proportional to 86,460.24, 129,748.68 and 33,863.16

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Solution

The fourth proportional to 86,460.24, 129,748.68 and 33,863.16 is: 50,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,460.24 : 129,748.68 = 33,863.16 : x
  2. Step 2: Convert to fraction form
    86,460.24/129,748.68 = 33,863.16/x
  3. Step 3: Cross multiply
    86,460.24x = 129,748.68 × 33,863.16
  4. Step 4: Simplify right side
    86,460.24x = 4,393,700,310.63
  5. Step 5: Solve for x
    x = 4,393,700,310.63/86,460.24
  6. Step 6: Final answer
    x = 50,817.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.